1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright 2017-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
@file:OptIn(ExperimentalContracts::class)
package kotlinx.serialization.json
import kotlin.contracts.*
/**
* Builds [JsonObject] with the given [builderAction] builder.
* Example of usage:
* ```
* val json = buildJsonObject {
* put("booleanKey", true)
* putJsonArray("arrayKey") {
* for (i in 1..10) add(i)
* }
* putJsonObject("objectKey") {
* put("stringKey", "stringValue")
* }
* }
* ```
*/
public inline fun buildJsonObject(builderAction: JsonObjectBuilder.() -> Unit): JsonObject {
contract { callsInPlace(builderAction, InvocationKind.EXACTLY_ONCE) }
val builder = JsonObjectBuilder()
builder.builderAction()
return builder.build()
}
/**
* Builds [JsonArray] with the given [builderAction] builder.
* Example of usage:
* ```
* val json = buildJsonArray {
* add(true)
* addJsonArray {
* for (i in 1..10) add(i)
* }
* addJsonObject {
* put("stringKey", "stringValue")
* }
* }
* ```
*/
public inline fun buildJsonArray(builderAction: JsonArrayBuilder.() -> Unit): JsonArray {
contract { callsInPlace(builderAction, InvocationKind.EXACTLY_ONCE) }
val builder = JsonArrayBuilder()
builder.builderAction()
return builder.build()
}
/**
* DSL builder for a [JsonObject]. To create an instance of builder, use [buildJsonObject] build function.
*/
@JsonDslMarker
public class JsonObjectBuilder @PublishedApi internal constructor() {
private val content: MutableMap<String, JsonElement> = linkedMapOf()
/**
* Add the given JSON [element] to a resulting JSON object using the given [key].
*
* Returns the previous value associated with [key], or `null` if the key was not present.
*/
public fun put(key: String, element: JsonElement): JsonElement? = content.put(key, element)
@PublishedApi
internal fun build(): JsonObject = JsonObject(content)
}
/**
* Add the [JSON][JsonObject] produced by the [builderAction] function to a resulting json object using the given [key].
*
* Returns the previous value associated with [key], or `null` if the key was not present.
*/
public fun JsonObjectBuilder.putJsonObject(key: String, builderAction: JsonObjectBuilder.() -> Unit): JsonElement? =
put(key, buildJsonObject(builderAction))
/**
* Add the [JSON array][JsonArray] produced by the [builderAction] function to a resulting json object using the given [key].
*
* Returns the previous value associated with [key], or `null` if the key was not present.
*/
public fun JsonObjectBuilder.putJsonArray(key: String, builderAction: JsonArrayBuilder.() -> Unit): JsonElement? =
put(key, buildJsonArray(builderAction))
/**
* Add the given boolean [value] to a resulting JSON object using the given [key].
*
* Returns the previous value associated with [key], or `null` if the key was not present.
*/
public fun JsonObjectBuilder.put(key: String, value: Boolean?): JsonElement? = put(key, JsonPrimitive(value))
/**
* Add the given numeric [value] to a resulting JSON object using the given [key].
*
* Returns the previous value associated with [key], or `null` if the key was not present.
*/
public fun JsonObjectBuilder.put(key: String, value: Number?): JsonElement? = put(key, JsonPrimitive(value))
/**
* Add the given string [value] to a resulting JSON object using the given [key].
*
* Returns the previous value associated with [key], or `null` if the key was not present.
*/
public fun JsonObjectBuilder.put(key: String, value: String?): JsonElement? = put(key, JsonPrimitive(value))
/**
* DSL builder for a [JsonArray]. To create an instance of builder, use [buildJsonArray] build function.
*/
@JsonDslMarker
public class JsonArrayBuilder @PublishedApi internal constructor() {
private val content: MutableList<JsonElement> = mutableListOf()
/**
* Adds the given JSON [element] to a resulting array.
*
* Always returns `true` similarly to [ArrayList] specification.
*/
public fun add(element: JsonElement): Boolean {
content += element
return true
}
@PublishedApi
internal fun build(): JsonArray = JsonArray(content)
}
/**
* Adds the given boolean [value] to a resulting array.
*
* Always returns `true` similarly to [ArrayList] specification.
*/
public fun JsonArrayBuilder.add(value: Boolean?): Boolean = add(JsonPrimitive(value))
/**
* Adds the given numeric [value] to a resulting array.
*
* Always returns `true` similarly to [ArrayList] specification.
*/
public fun JsonArrayBuilder.add(value: Number?): Boolean = add(JsonPrimitive(value))
/**
* Adds the given string [value] to a resulting array.
*
* Always returns `true` similarly to [ArrayList] specification.
*/
public fun JsonArrayBuilder.add(value: String?): Boolean = add(JsonPrimitive(value))
/**
* Adds the [JSON][JsonObject] produced by the [builderAction] function to a resulting array.
*
* Always returns `true` similarly to [ArrayList] specification.
*/
public fun JsonArrayBuilder.addJsonObject(builderAction: JsonObjectBuilder.() -> Unit): Boolean =
add(buildJsonObject(builderAction))
/**
* Adds the [JSON][JsonArray] produced by the [builderAction] function to a resulting array.
*
* Always returns `true` similarly to [ArrayList] specification.
*/
public fun JsonArrayBuilder.addJsonArray(builderAction: JsonArrayBuilder.() -> Unit): Boolean =
add(buildJsonArray(builderAction))
private const val infixToDeprecated = "Infix 'to' operator is deprecated for removal for the favour of 'add'"
private const val unaryPlusDeprecated = "Unary plus is deprecated for removal for the favour of 'add'"
@DslMarker
internal annotation class JsonDslMarker
|
